/*
 * Copyright (c) 2013, Koos Vriezen <koos.vriezen@gmail.com>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the <organization> nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "util.h"

#include <stdlib.h>
#include <string.h>

void alarm_array_init(struct AlarmArray *array)
{
    array->size = array->capacity = 0;
}

void alarm_array_append(struct AlarmArray *array, void *v)
{
    if (array->size == array->capacity) {
        if (!array->size)
            array->data = (void**)malloc(++array->capacity * sizeof (void*));
        else
            array->data = (void**)realloc(array->data, ++array->capacity * sizeof (void*));
    }
    array->data[array->size++] = v;
}

void alarm_array_remove(struct AlarmArray *array, int i)
{
    if ( i < --array->size )
        memmove(array->data + i, array->data + i + 1, (array->size - i) * sizeof (void*));
}

void alarm_array_clear(struct AlarmArray *array)
{
    if (array->capacity)
        free(array->data);
    array->size = array->capacity = 0;
}
